| **To modify a channel** | |
| The following ``update-channel`` example modifies the settings for the specified channel. :: | |
| aws iotanalytics update-channel \ | |
| --cli-input-json file://update-channel.json | |
| Contents of ``update-channel.json``:: | |
| { | |
| "channelName": "mychannel", | |
| "retentionPeriod": { | |
| "numberOfDays": 92 | |
| } | |
| } | |
| This command produces no output. | |
| For more information, see `UpdateChannel <https://docs.aws.amazon.com/iotanalytics/latest/APIReference/API_UpdateChannel.html>`__ in the *AWS IoT Analytics API Reference*. | |